{"id":"CVE-2021-36128","details":"An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.","aliases":["BIT-mediawiki-2021-36128"],"modified":"2026-07-09T01:31:16.489746Z","published":"2021-07-02T13:15:07.843Z","references":[{"type":"FIX","url":"https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1"},{"type":"FIX","url":"https://gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89"},{"type":"FIX","url":"https://phabricator.wikimedia.org/T281972"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wikimedia/mediawiki","events":[{"introduced":"0"},{"last_affected":"3da22025cf4ec7c143049685d4510870a5afd137"}],"database_specific":{"cpe":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.36"}],"source":"CPE_RANGE"}}],"versions":["REL1_36","1.36.4","1.36.3","1.36.2","1.36.1","1.36.0","1.36.0-rc.0","test-hashar-for-ci","1.6.0","1.5.0beta4","1.5.0beta3","1.5.0beta2","1.5.0beta1","1.5.0alpha2","1.5.0alpha1","1.3.0beta1","1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-36128.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}